public static bool Delete(Int32 productId, Int32 childProductId)
        {
            UpsellProduct upsellProduct = new UpsellProduct();

            if (upsellProduct.Load(productId, childProductId))
            {
                return(upsellProduct.Delete());
            }
            return(false);
        }
 public static bool Delete(UpsellProduct upsellProduct)
 {
     return(upsellProduct.Delete());
 }